Cutlass Ciera FWD L4-151 2.5L (1982)
15.
Flywheel cover.
16.
Crankshaft pulley (have assistant hold flywheel).
17.
Frame bolts and insulators (4).
18.
Lower vehicle.
19.
Timing gear cover bolts (8).
20.
Lower the passenger side of the frame/powertrain assembly 4 inches with support fixture (may require lowering of driver's side).
21.
Raise vehicle.
22.
Timing gear cover - do not distort.
Clean
-
Timing gear cover and engine sealing surfaces.
23.
Align crankshaft/camshaft timing marks on gears.
24.
Drill and tap hole on the camshaft centerline (8 mm drill, 1/2 inch deep).
CAUTION: Wear safety glasses to avoid eye damage.
IMPORTANT:
Use care when drilling and tapping cam gear to avoid damage to the camshaft. Cover oil pan opening with rags to prevent chips from
falling into pan.
25.
Tap the 8 mm hole with a 3/8-16-NC bottoming tap.
IMPORTANT:
Avoid buildup of chips. Back out the tap every few turns and remove chips.
26.
Center punch and drill two (2) 3 mm pilot holes in the metal hub of the cam gear (180 degrees apart).
IMPORTANT:
Use care to avoid drill wander that could damage camshaft.
27.
Enlarge pilot holes with 5.5 mm drill; 1/4 inch deep.
28.
Tap 5.5 mm holes with 1/4-28-NF bottoming tap.
29.
Drill a hole no larger than 1 mm (.040 inch) in the front oil gallery plug. This provides improved lubrication to the timing gears.
Clean
-
Oil pan sealing surface of debris.
30.
Cam gear with J 24420-B. Do not move cam or crank.
Inspect
-
Thrust plate for scuffing and/or grooving. If evident, install new thrust plate, spacer ring, and key.
Thrust plate-to-block bolts torque - 10 N-m (90 in.lbs.).
IMPORTANT:
Lubricate front thrust plate surface with clean engine oil.
Install or Connect
1.
Cam gear using J 25033-B - align timing marks.
Measure
-
Camshaft end play using dial indicator - J 8001 or equivalent. Push cam gear onto camshaft until camshaft end play is in the range of .04 mm
to .13 mm (.0015 in. to .0050 inch).
